KEF

Bowers & Wilkins

KC92 Subwoofer

DB4S

Home Theatre Speaker Specification

Home Theatre Speaker Specification

Dynamic

Dynamic

2 X 255 mm

250 mm

NA

10/20 kOhm

NA

NA

Frequency Response ( ±3dB ) : 11Hz – 200Hz
Variable Low Pass Filter : 40Hz – 140Hz, LFE

8.5Hz - 500Hz, 10Hz - 350 Hz

AC 100 - 240V, 50/60 Hz

AC 100V-240 V / 50 Hz / 60 Hz

2 X 500 W ( RMS ) Built-In Class D
Force Cancellation

1000 W ( RMS )

110dB

82dB

Active

No

Yes

20 Kg

26 Kg

Subwoofer : 352.5 mm X 330 mm X 360.5 mm

377 mm X 368 mm X 360 mm

Black, White

Black

KEF KC92 Subwoofer
Power Cord
Euroblock Speaker Level Connector
KW1 Wireless Subwoofer Adapter Kit
User Manual & Warranty Information

Bowers & Wilkins DB4S Subwoofer

Optimised with KEF's Music Integrity Engine.
2 X 9-inch force-cancelling drivers propelled by a formidable 1000W (RMS) of amplification.
5 Built in EQ options - The intuitive preset options ensure excellent performance from KC92 no matter where in the room it is placed.
The drivers feature a hybrid aluminium/paper cone, an oversized motor system with a vented design for the voice coil, ensuring vanishingly low distortion and exceptional precision.
Versatile connections including KEF SmartConnect and speaker level inputs ensure effortless setup. It also features a line output with High Pass Filter ( HPF ) for fine-tuned integration.

Active Closed-Box Subwoofer System.
Adjust calibration and correction easily using the dedicated DB4S smartphone app.
Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for.
DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.
Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoilâ„¢ cone.
Technical Features - 1X ø250mm (10 in) Aerofoil™ Cone Bass, Digital Preamplifier With Dynamic EQ, App-Based Set-Up & BT-LE Control.
For bass you can feel- With digital amplification, DB4S delivers all the visceral rumble and punch you need to bring cinema sound to life.
Give your home theater set-up the bass impact it deserves with DB4S – a powerful, classically styled single driver subwoofer that's a perfect match for the 700 Series.